P.W. Grosser Consulting, an environmental consulting and engineering firm in Bohemia, has announced four new hires.

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Jessica Ferngren, who resides in Sea Cliff, joins the environmental team as a senior project manager. She held a similar position at Athenica Environmental Services in Queens.

Thomas Fitzpatrick, a resident of Patchogue, joins the environmental team as a field hydrogeologist and environmental scientist. He was an environmental scientist at Preferred Environmental Services in Merrick.

Bryan Grogan joins the engineering team as a senior engineer. A resident of Center Moriches, he was a project manager at Michael P. Chiarelli Engineer in Huntington Station.

Heather Moran-Botta joins the environmental team as a project hydrogeologist and environmental scientist. She managed and completed site investigations and remediation projects at Apex Companies in Bohemia and is a resident of Shirley.

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